filahanasari, eka. 2020. “Ability of Strategic Competence of Mathematically Proficiency in Completing Open Ended Mathematical Questions: Kemampuan Strategic Competence Of Mathematically Proficiency Dalam Menyelesaikan Soal Matematika Open Ended”. International Journal of Technology Vocational Education and Training 1 (1), 91-96. https://doi.org/10.46643/ijtvet.v1i1.22.